Home / 905,087.29-1,357,613.18-365,329.21

Finding the Fourth Proportional to 905,087.29, 1,357,613.18 and 365,329.21

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Solution

The fourth proportional to 905,087.29, 1,357,613.18 and 365,329.21 is: 547,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,087.29 : 1,357,613.18 = 365,329.21 : x
  2. Step 2: Convert to fraction form
    905,087.29/1,357,613.18 = 365,329.21/x
  3. Step 3: Cross multiply
    905,087.29x = 1,357,613.18 × 365,329.21
  4. Step 4: Simplify right side
    905,087.29x = 495,975,741,920.28
  5. Step 5: Solve for x
    x = 495,975,741,920.28/905,087.29
  6. Step 6: Final answer
    x = 547,986.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.